src/lyx_gui.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *          Copyright 1995 Matthias Ettrich
   7  *          Copyright 1995-2000 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12 #include <cstdlib>
  13
  14 #ifdef __GNUG__
  15 #pragma implementation
  16 #endif
  17
  18 #include <fcntl.h>
  19 #include "lyx_gui.h"
  20 #include FORMS_H_LOCATION
  21 #include "support/filetools.h"
  22 #include "combox.h"
  23 #include "lyx.h"
  24 #include "form1.h"
  25 #include "layout_forms.h"
  26 #include "print_form.h"
  27 #include "tex-strings.h"
  28 #include "lyx_main.h"
  29 #include "log_form.h"
  30 #include "debug.h"
  31 #include "version.h"
  32 #include "LyXView.h"
  33 #include "buffer.h"
  34 #include "lyxserver.h"
  35 #include "lyxrc.h"
  36 #include "gettext.h"
  37 #include "lyx_gui_misc.h"
  38 #include "lyxlookup.h"
  39 #include "bufferlist.h"
  40 #include "language.h"
  41 #include "ColorHandler.h"
  42 #include "frontends/GUIRunTime.h"
  43
  44 using std::endl;
  45
  46 FD_form_title * fd_form_title;
  47 FD_form_character * fd_form_character;
  48 FD_form_preamble * fd_form_preamble;
  49 FD_form_sendto * fd_form_sendto;
  50 FD_form_figure * fd_form_figure;
  51 FD_LaTeXLog * fd_latex_log; // from log_form.h
  52 Combox * combo_language;
  53 Combox * combo_language2;
  54
  55 extern LyXServer * lyxserver;
  56 extern bool finished;   // flag, that we are quitting the program
  57 extern BufferList bufferlist;
  58 extern GUIRunTime guiruntime;
  59
  60 FL_CMD_OPT cmdopt[] =
  61 {
  62         {"-geometry", "*.geometry", XrmoptionSepArg, "690x510"}
  63 };
  64
  65 static int width  = 690;
  66 static int height = 510;
  67 static int xpos   = -1;
  68 static int ypos   = -1;
  69 static char geometry[40];
  70
  71
  72 FL_resource res[] =
  73 {
  74         {"geometry", "geometryClass", FL_STRING, geometry, "", 40}
  75 };
  76
  77
  78 extern "C"
  79 int LyX_XErrHandler(Display * display, XErrorEvent * xeev)
  80 {
  81         // emergency save
  82         if (!bufferlist.empty())
  83                 bufferlist.emergencyWriteAll();
  84
  85         // Get the reason for the crash.
  86         char etxt[513];
  87         XGetErrorText(display, xeev->error_code, etxt, 512);
  88         lyxerr << etxt << endl;
  89         // By doing an abort we get a nice backtrace. (hopefully)
  90         lyx::abort();
  91         return 0; // Solaris CC wants us to return something
  92 }
  93
  94
  95 LyXGUI::LyXGUI(LyX * owner, int * argc, char * argv[], bool GUI)
  96         : _owner(owner), lyxViews(0)
  97 {
  98         gui = GUI;
  99         if (!gui)
 100                 return;
 101
 102         //
 103         setDefaults();
 104
 105         static const int num_res = sizeof(res)/sizeof(FL_resource);
 106         fl_initialize(argc, argv, "LyX", cmdopt, num_res);
 107         fl_get_app_resources(res, num_res);
 108
 109         static const int geometryBitmask =
 110                 XParseGeometry( geometry,
 111                                 &xpos,
 112                                 &ypos,
 113                                 reinterpret_cast<unsigned int *>(&width),
 114                                 reinterpret_cast<unsigned int *>(&height));
 115
 116         Display * display = fl_get_display();
 117         if (!display) {
 118                 lyxerr << "LyX: unable to access X display, exiting" << endl;
 119                 exit(1);
 120         }
 121         fcntl(ConnectionNumber(display), F_SETFD, FD_CLOEXEC);
 122         // X Error handler install goes here
 123         XSetErrorHandler(LyX_XErrHandler);
 124
 125         // A width less than 590 pops up an awkward main window
 126         // The minimal values of width/height (590/400) are defined in
 127         // src/lyx.C
 128         if (width < 590) width = 590;
 129         if (height < 400) height = 400;
 130
 131         // If width is not set by geometry, check it against monitor width
 132         if ( !(geometryBitmask & 4) ) {
 133                 Screen * scr = ScreenOfDisplay(fl_get_display(), fl_screen); //DefaultScreen(fl_get_display());
 134                 if (WidthOfScreen(scr) - 8 < width)
 135                         width = WidthOfScreen(scr) - 8;
 136         }
 137
 138         // If height is not set by geometry, check it against monitor height
 139         if ( !(geometryBitmask & 8) ) {
 140                 Screen * scr = ScreenOfDisplay(fl_get_display(), fl_screen); //DefaultScreen(fl_get_display());
 141                 if (HeightOfScreen(scr) - 24 < height)
 142                         height = HeightOfScreen(scr) - 24;
 143         }
 144
 145         // Recalculate xpos if it's negative
 146         if (geometryBitmask & 16)
 147                 xpos += WidthOfScreen(ScreenOfDisplay(fl_get_display(), fl_screen)) - width; //DefaultScreen(fl_get_display())) - width;
 148
 149         // Recalculate ypos if it's negative
 150         if (geometryBitmask & 32)
 151                 ypos += HeightOfScreen(ScreenOfDisplay(fl_get_display(), fl_screen)) - height; //DefaultScreen(fl_get_display())) - height;
 152
 153         // Initialize the LyXColorHandler
 154         lyxColorHandler = new LyXColorHandler;
 155 }
 156
 157
 158 // A destructor is always necessary  (asierra-970604)
 159 LyXGUI::~LyXGUI()
 160 {
 161         // Lyxserver was created in this class so should be destroyed
 162         // here.  asierra-970604
 163         delete lyxserver;
 164         lyxserver = 0;
 165         delete lyxViews;
 166
 167         CloseLyXLookup();
 168 }
 169
 170
 171 void LyXGUI::setDefaults()
 172 {
 173         GUIRunTime::setDefaults();
 174 }
 175
 176
 177 // This is called after we have parsed lyxrc
 178 void LyXGUI::init()
 179 {
 180         if (!gui)
 181                 return;
 182
 183         create_forms();
 184
 185         if (lyxrc.font_norm_menu.empty())
 186                 lyxrc.font_norm_menu = lyxrc.font_norm;
 187         // Set the font name for popups and menus
 188         string menufontname = lyxrc.menu_font_name
 189                                + "-*-*-*-?-*-*-*-*-"
 190                                + lyxrc.font_norm_menu;
 191                 // "?" means "scale that font"
 192         string popupfontname = lyxrc.popup_font_name
 193                                + "-*-*-*-?-*-*-*-*-"
 194                                + lyxrc.font_norm_menu;
 195
 196         int bold = fl_set_font_name(FL_BOLD_STYLE, menufontname.c_str());
 197         int normal = fl_set_font_name(FL_NORMAL_STYLE, popupfontname.c_str());
 198         if (bold < 0)
 199                 lyxerr << "Could not set menu font to "
 200                        << menufontname << endl;
 201
 202         if (normal < 0)
 203                 lyxerr << "Could not set popup font to "
 204                        << popupfontname << endl;
 205
 206         if (bold < 0 && normal < 0) {
 207                 lyxerr << "Using 'helvetica' font for menus" << endl;
 208                 bold = fl_set_font_name(FL_BOLD_STYLE,
 209                                         "-*-helvetica-bold-r-*-*-*-?-*-*-*-*-iso8859-1");
 210                 normal = fl_set_font_name(FL_NORMAL_STYLE,
 211                                           "-*-helvetica-medium-r-*-*-*-?-*-*-*-*-iso8859-1");
 212                 if (bold < 0 && normal < 0) {
 213                         lyxerr << "Could not find helvetica font. Using 'fixed'." << endl;
 214                         normal = fl_set_font_name(FL_NORMAL_STYLE, "fixed");
 215                 }
 216         }
 217
 218         // put here (after fl_initialize) to avoid segfault. Cannot be done
 219         // in setDefaults() (Matthias 140496)
 220         // Moved from ::LyXGUI to ::init to allow popup font customization
 221         // (petr 120997).
 222         fl_setpup_fontstyle(FL_NORMAL_STYLE);
 223         fl_setpup_fontsize(FL_NORMAL_SIZE);
 224         fl_setpup_color(FL_MCOL, FL_BLACK);
 225         fl_set_goodies_font(FL_NORMAL_STYLE, FL_NORMAL_SIZE);
 226
 227         // all lyxrc settings has to be done here as lyxrc has not yet
 228         // been read when the GUI is created (Jug)
 229
 230         // the sendto form
 231         if (!lyxrc.custom_export_command.empty())
 232                 fl_set_input(fd_form_sendto->input_cmd,
 233                              lyxrc.custom_export_command.c_str());
 234         if (lyxrc.custom_export_format == "lyx")
 235                 fl_set_button(fd_form_sendto->radio_ftype_lyx, 1);
 236         else if (lyxrc.custom_export_format == "tex")
 237                 fl_set_button(fd_form_sendto->radio_ftype_latex, 1);
 238         else if (lyxrc.custom_export_format == "dvi")
 239                 fl_set_button(fd_form_sendto->radio_ftype_dvi, 1);
 240         else if (lyxrc.custom_export_format == "ps")
 241                 fl_set_button(fd_form_sendto->radio_ftype_ps, 1);
 242         else if (lyxrc.custom_export_format == "ascii")
 243                 fl_set_button(fd_form_sendto->radio_ftype_ascii, 1);
 244
 245         // Update parameters.
 246         lyxViews->redraw();
 247
 248         // Initialize the views.
 249         lyxViews->init();
 250
 251         // in 0.12 the initialisation of the LyXServer must be done here
 252         // 0.13 it should be moved again...
 253         lyxserver = new LyXServer(lyxViews->getLyXFunc(), lyxrc.lyxpipes);
 254 }
 255
 256
 257 void LyXGUI::create_forms()
 258 {
 259         lyxerr[Debug::INIT] << "Initializing LyXView..." << endl;
 260         lyxViews = new LyXView(width, height);
 261         lyxerr[Debug::INIT] << "Initializing LyXView...done" << endl;
 262
 263         // From here down should be done by somebody else. (Lgb)
 264
 265         //
 266         // Create forms
 267         //
 268
 269         // the title form
 270         string banner_file = LibFileSearch("images", "banner", "xpm");
 271         if (lyxrc.show_banner && !banner_file.empty()) {
 272                 fd_form_title = create_form_form_title();
 273                 fl_set_form_dblbuffer(fd_form_title->form_title, 1); // use dbl buffer
 274                 fl_set_form_atclose(fd_form_title->form_title, CancelCloseBoxCB, 0);
 275                 fl_addto_form(fd_form_title->form_title);
 276                 FL_OBJECT *obj = fl_add_pixmapbutton(FL_NORMAL_BUTTON, 0, 0, 425, 290, "");
 277                 fl_set_pixmapbutton_file(obj, banner_file.c_str());
 278
 279                 fl_set_pixmapbutton_focus_outline(obj, 3);
 280                 fl_set_button_shortcut(obj, "^M ^[", 1);
 281                 fl_set_object_boxtype(obj, FL_NO_BOX);
 282                 fl_set_object_callback(obj, TimerCB, 0);
 283
 284                 obj = fl_add_text(FL_NORMAL_TEXT, 248, 265, 170, 16, LYX_VERSION);
 285                 fl_set_object_lsize(obj, FL_NORMAL_SIZE);
 286                 fl_mapcolor(FL_FREE_COL2, 0x05, 0x2e, 0x4c);
 287                 fl_mapcolor(FL_FREE_COL3, 0xe1, 0xd2, 0x9b);
 288                 fl_set_object_color(obj, FL_FREE_COL2, FL_FREE_COL2);
 289                 fl_set_object_lcol(obj, FL_FREE_COL3);
 290                 fl_set_object_lalign(obj, FL_ALIGN_CENTER|FL_ALIGN_INSIDE);
 291                 fl_set_object_lstyle(obj, FL_BOLD_STYLE);
 292                 fl_end_form();
 293         }
 294
 295         // the character form
 296         fd_form_character = create_form_form_character();
 297         fl_set_form_atclose(fd_form_character->form_character,
 298                             CancelCloseBoxCB, 0);
 299         fl_addto_choice(fd_form_character->choice_family,
 300                         _(" No change %l| Roman | Sans Serif | Typewriter %l| Reset "));
 301         fl_addto_choice(fd_form_character->choice_series,
 302                         _(" No change %l| Medium | Bold %l| Reset "));
 303         fl_addto_choice(fd_form_character->choice_shape,
 304                         _(" No change %l| Upright | Italic | Slanted | Small Caps "
 305                         "%l| Reset "));
 306         fl_addto_choice(fd_form_character->choice_size,
 307                         _(" No change %l| Tiny | Smallest | Smaller | Small "
 308                         "| Normal | Large | Larger | Largest | Huge | Huger "
 309                         "%l| Increase | Decrease | Reset "));
 310         fl_addto_choice(fd_form_character->choice_bar,
 311                         _(" No change %l| Emph | Underbar | Noun | LaTeX mode %l| Reset "));
 312         fl_addto_choice(fd_form_character->choice_color,
 313                         _(" No change %l| No color | Black | White | Red | Green "
 314                         "| Blue | Cyan | Magenta | Yellow %l| Reset "));
 315         fl_set_form_minsize(fd_form_character->form_character,
 316                             fd_form_character->form_character->w,
 317                             fd_form_character->form_character->h);
 318         lyxerr[Debug::INIT] << "Initializing form_character::combox..." << endl;
 319         fl_addto_form(fd_form_character->form_character);
 320         combo_language2 = new Combox(FL_COMBOX_DROPLIST);
 321         FL_OBJECT * ob = fd_form_character->choice_language;
 322         combo_language2->add(ob->x, ob->y, ob->w, ob->h, 250);
 323         combo_language2->shortcut("#L", 1);
 324         fl_end_form();
 325         lyxerr[Debug::INIT] << "Initializing form_character...done" << endl;
 326
 327         // build up the combox entries
 328         combo_language2->addto(_("No change"));
 329         combo_language2->addto(_("Reset"));
 330         for(Languages::const_iterator cit = languages.begin();
 331             cit != languages.end(); ++cit) {
 332 #ifdef DO_USE_DEFAULT_LANGUAGE
 333             if ((*cit).second.lang() != "default")
 334 #endif
 335                 combo_language2->addto((*cit).second.lang());
 336         }
 337         combo_language2->select_text(_("No change"));
 338
 339         // the preamble form
 340         fd_form_preamble = create_form_form_preamble();
 341         fl_set_form_atclose(fd_form_preamble->form_preamble,
 342                             CancelCloseBoxCB, 0);
 343
 344         // the sendto form
 345         fd_form_sendto = create_form_form_sendto();
 346         fl_set_form_atclose(fd_form_sendto->form_sendto, CancelCloseBoxCB, 0);
 347
 348         // the figure form
 349         fd_form_figure = create_form_form_figure();
 350         fl_set_form_atclose(fd_form_figure->form_figure,
 351                             CancelCloseBoxCB, 0);
 352         fl_set_button(fd_form_figure->radio_postscript, 1);
 353
 354         // the latex log form
 355         fd_latex_log = create_form_LaTeXLog();
 356         fl_set_form_atclose(fd_latex_log->LaTeXLog,
 357                             CancelCloseBoxCB, 0);
 358
 359         // Show the main & title form
 360         int main_placement = FL_PLACE_CENTER | FL_FREE_SIZE;
 361         int title_placement = FL_PLACE_CENTER;
 362         // Did we get a valid position?
 363         if (xpos >= 0 && ypos >= 0) {
 364                 lyxViews->setPosition(xpos, ypos);
 365                 if (lyxrc.show_banner) {
 366                         // show the title form in the middle of the main form
 367                         fl_set_form_position(fd_form_title->form_title,
 368                                              abs(xpos + (width/2) - (370 / 2)),
 369                                              abs(ypos + (height/2) - (290 / 2)));
 370                         title_placement = FL_PLACE_GEOMETRY;
 371                         // The use of abs() above is a trick to ensure
 372                         // valid positions
 373                 }
 374                         main_placement = FL_PLACE_POSITION;
 375         }
 376         lyxViews->show(main_placement, FL_FULLBORDER, "LyX");
 377         if (lyxrc.show_banner) {
 378                 fl_show_form(fd_form_title->form_title,
 379                              title_placement, FL_NOBORDER,
 380                              _("LyX Banner"));
 381                 fl_redraw_form(fd_form_title->form_title);
 382                 fl_raise_form(fd_form_title->form_title);
 383
 384                 // Show the title form at most 7 secs (lowered from 10 secs)
 385                 fl_set_timer(fd_form_title->timer_title, 7);
 386         }
 387 }
 388
 389
 390 void LyXGUI::runTime()
 391 {
 392         if (!gui) return;
 393
 394         guiruntime.runTime();
 395 }
 396
 397
 398 void LyXGUI::regBuf(Buffer * b)
 399 {
 400         lyxViews->view()->buffer(b);
 401 }
 402
 403
 404 LyXView * LyXGUI::getLyXView() const
 405 {
 406         return lyxViews;
 407 }